发明名称 Electrofusion socket forming system
摘要 An electrofusion joint assembly includes a meltable member, such as a pipe or fitting, and a heating element secured to the pipe or fitting. The pipe or fitting may be tapered to facilitate receiving another pipe to form an electrofusion weld joint. Fasteners are used to secure the heating element and extend through a meltable zone and into a non-melt zone. Power supplied to the pipe melts the pipe proximal the heating element.
申请公布号 US7144045(B2) 申请公布日期 2006.12.05
申请号 US20040861489 申请日期 2004.06.07
申请人 KARL-HEINZ KRAH GMBH 发明人 KRAH KARL-HEINZ
分类号 F16L47/02;B29C65/00;B29C65/34;F16L47/03;H05B3/06 主分类号 F16L47/02
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